Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Surgeons who listen to music during operations perform better than those who don't .
87
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Vicks inhalers can cause you to test positive for Meth on drug tests.
41